Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
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Abrasion-resistant welded steel pipe
Grease-sealed rolling contact bearing
Method and apparatus for seam-welding steel pipes
Method for eliminating residual magnetism in pipe-blank for weld
Method for longitudinally seam-welding pipe-blank for welded ste
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