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公开(公告)号:CA182252A
公开(公告)日:1918-02-12
申请号:CA182252D
申请日:1916-02-17
Applicant: STEWART WILLIAM HOWARD
Inventor: STEWART WILLIAM HOWARD
公开(公告)号:CA182252A
公开(公告)日:1918-02-12
申请号:CA182252D
申请日:1916-02-17
Applicant: STEWART WILLIAM HOWARD
Inventor: STEWART WILLIAM HOWARD