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公开(公告)号：CA282127A
公开(公告)日：1928-07-31
申请号：CA282127D
Applicant: GEN ELECTRIC CANADA
Inventor： SABBAH CAMILLE A
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公开(公告)号：CA282126A
公开(公告)日：1928-07-31
申请号：CA282126D
Applicant: GEN ELECTRIC CANADA
Inventor： SABBAH CAMILLE A
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