Standard BS 5422 - Method for specifying thermal insulating materials for pipes, tanks, vessels, ductwork

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BS 5422 - Method for specifying thermal insulating materials for pipes, tanks, vessels, ductwork - 5422, bảo ôn, cách nhiệt

Tiêu chuẩn BS 5422 cho cách nhiệt, bảo ôn.

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