1.1 Scope
1.1.1 This standard applies to propane and natural gas-fired
unattended portable type infra-red heaters (see Definitions, Part III), hereinafter referred to as heaters with gas inputs up to and including 400 000 Btuh (117.23 kW).
1.1.2 T
定价:
1138元
/ 折扣价:
968 元