定价： 530元

定价： 462元

定价： 4141元 / 折扣价： 3520 元

This PDF includes GI #2. 1. Scope 1.1 This Standard applies to the electrical features (a) of gas- and oil-burning appliances and equipment; (b) of solid fuel-burning appliances where the specific Standard for such appliances requires compliance

定价： 546元 / 折扣价： 465 元

定价： 731元

定价： 325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： 365元

1.1 Scope 1.1.1 This standard applies to the safe performance of newly produced compressed natural gas fuel system components, intended for use on natural gas powered vehicles, as listed in Table I. 1.1.2 This standard does not apply to the follow

定价： 637元 / 折扣价： 542 元

1. Scope 1.1 This Standard applies to manually or automatically fuelled solid-fuel-fired central heating appliances that have provision for venting directly to the outdoors by means of flue pipes, chimneys, etc. 1.2 For the purpose of this Standar

定价： 592元 / 折扣价： 504 元

1. Scope 1.1 This Standard applies to the construction and performance of new propane fuel system components thatprovide motive power to highway vehicles with internal combustion engines. 1.2 This Standard does not apply to stationary or non-highway

定价： 1274元 / 折扣价： 1083 元

定价： 683元 / 折扣价： 581 元

定价： 530元

定价： 1183元 / 折扣价： 1006 元

定价： 1502元 / 折扣价： 1277 元