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Hua Guang Welding

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5:43 Conversational English (CA)

How to Braze Copper to Steel with 45% Silver Flux-Coated Brazing Rods

Hua Guang Welding - 3 years ago

20,905 views
5:03 Conversational English (CA)

Hua Guang Welding

Hua Guang Welding - 4 years ago

421 views
1