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公开(公告)号:CA412531A
公开(公告)日:1943-05-18
申请号:CA412531D
Applicant: SANDSTROM ROBERT V
Inventor: SANDSTROM ROBERT V
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2.
公开(公告)号:US2319886A
公开(公告)日:1943-05-25
申请号:US21210038
申请日:1938-06-06
Applicant: SANDSTROM ROBERT V
Inventor: SANDSTROM ROBERT V
IPC: B05D5/06
CPC classification number: B05D5/06
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