ANSI/CAN/UL/ULC 567:2021 JOINT CANADA-UNITED STATENATIONAL STANDARD STANDARD FOR SAFETY Emergency Breakaway Fittings, SwivelConnectors and Pipe-Connection Fittings for Petroleum Products and LP-Gas
ANSI/CAN/UL/ULC 567:2021 JOINT CANADA-UNITED STATENATIONAL STANDARD STANDARD FOR...
国外标准2023.07.22