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公开(公告)号:US744031A
公开(公告)日:1903-11-17
申请号:US1903139008
申请日:1903-01-14
Applicant: BROOKFIELD WILLIAM BERTIN
Inventor: BROOKFIELD WILLIAM BERTIN
CPC classification number: C22C38/22
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公开(公告)号:US744036A
公开(公告)日:1903-11-17
申请号:US1902171697
申请日:1902-12-30
Applicant: BROOKFIELD WILLIAM BERTIN
Inventor: BROOKFIELD WILLIAM BERTIN
CPC classification number: C22C38/22
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公开(公告)号:US744035A
公开(公告)日:1903-11-17
申请号:US1903170137
申请日:1903-08-20
Applicant: BROOKFIELD WILLIAM BERTIN
Inventor: BROOKFIELD WILLIAM BERTIN
CPC classification number: C22C1/1036
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公开(公告)号:US744032A
公开(公告)日:1903-11-17
申请号:US1903139009
申请日:1903-01-14
Applicant: BROOKFIELD WILLIAM BERTIN
Inventor: BROOKFIELD WILLIAM BERTIN
CPC classification number: C22C38/22
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公开(公告)号:US744034A
公开(公告)日:1903-11-17
申请号:US1903166262
申请日:1903-07-20
Applicant: BROOKFIELD WILLIAM BERTIN
Inventor: BROOKFIELD WILLIAM BERTIN
CPC classification number: C22C38/12
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公开(公告)号:US744033A
公开(公告)日:1903-11-17
申请号:US1903139010
申请日:1903-01-14
Applicant: BROOKFIELD WILLIAM BERTIN
Inventor: BROOKFIELD WILLIAM BERTIN
CPC classification number: C22C38/22
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