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公开(公告)号:CA120320A
公开(公告)日:1909-08-31
申请号:CA120320D
申请日:1907-11-21
Applicant: STEWART CHARLES PARRIS
Inventor: STEWART CHARLES PARRIS
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公开(公告)号:CA120320A
公开(公告)日:1909-08-31
申请号:CA120320D
申请日:1907-11-21
Applicant: STEWART CHARLES PARRIS
Inventor: STEWART CHARLES PARRIS