定价： 819元 / 折扣价： 697 元

1.1.1 This standard applies to natural and propane gas piping systems using corrugated stainless steel tubing (CSST), intended for installation in residential, commercial or industrial buildings, and including the following components as a minimum: a. C

定价： 4095元 / 折扣价： 3481 元

This standard establishes the design and usage requirements of a check fraud deterrent icon (CFDI) for visually communicating the presence of security features on a check. The standard specifies minimal overt security features which meet the requirements for deterring both counterfeiting and alteration that printers are to use prior to printing a check fraud deterrent icon onto a check. This standard also establishes the requirements for use of a check fraud deterrent icon, the location on the check for the icon, and the location of and requirements for the associated warning box and verbiage.

定价： 546元 / 折扣价： 465 元

The scope of the standard is the specification of the optical measurement methodology for the parameters of reflectance, PCS, DCR, Paxel Count, and opacity which are needed for MICR documents.

定价： 546元 / 折扣价： 465 元

Scope Details test and examination criteria for Category I, Category II, Category III and Category IV low-pressure steam and hot water boilers for use with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures. A boil

定价： 774元 / 折扣价： 658 元

定价： 592元 / 折扣价： 504 元

定价： 637元 / 折扣价： 542 元

Scope Details test and examination criteria for refrigerators using natural and liquefied petroleum (propane) gases. The standard covers a refrigerator having a direct self-contained type of systems employing the absorption or adsorption principle of

定价： 5005元 / 折扣价： 4255 元

Scope 1.1.1 This standard applies to newly produced automatic valves (see Part VI, Definitions) constructed entirely of new, unused parts and materials. These valves may be individual automatic valves or valves utilized as parts of automatic gas igniti

定价： 4596元 / 折扣价： 3907 元

定价： 3913元 / 折扣价： 3327 元

1.1 Scope 1.1.1 This standard applies to newly produced pilot gas filters, hereinafter referred to as filters (See Part IV, Definitions), constructed entirely of new, unused parts and materials. Compliance of a filter with this standard does not im

定价： 3640元 / 折扣价： 3094 元

1.1 Scope 1.1.1 This standard applies to newly-produced, hand-operated quick-disconnect devices, hereinafter also referred to as devices, constructed entirely of new, unused parts and materials which provide a means for connecting and disconnecting ap

定价： 3413元 / 折扣价： 2902 元

定价： 838元 / 折扣价： 713 元

Scope Details test and examination criteria for automatically operating gas-fired central furnaces for use with nat..,mdf.and mixed gases, LP and LP gas air mixtures. Central furnaces are designed to supply heated air through ducts to building spaces r

定价： 9100元 / 折扣价： 7735 元

定价： 728元 / 折扣价： 619 元