Stock material or miscellaneous articles – All metal or with adjacent metals – Having variation in thickness
Patent
1987-07-17
1989-01-10
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having variation in thickness
428687, 428925, G03G 1500
Patent
active
047973277
ABSTRACT:
A surface treated metal member comprises a metal member having unevenness with a plurality of spherical mark impressions formed on the surface.
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M. Woelfel et al., "Glass Bead Impact Blasting", Metal Progress, Sep. 1982, vol. 122, No. 4, pp. 57-59.
Honda Mitsuru
Murai Keiichi
Ogawa Kyosuke
Sueda Tetsuo
Canon Kabushiki Kaisha
Zimmerman John J.
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