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公开(公告)号:US933953A
公开(公告)日:1909-09-14
申请号:US1905266973
申请日:1905-06-26
Applicant: RAILWAY MATERIALS COMPANY
Inventor: BOURNE GEORGE L
CPC classification number: F23C6/045
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公开(公告)号:US793622A
公开(公告)日:1905-06-27
申请号:US1903182876
申请日:1903-11-27
Applicant: RAILWAY MATERIALS COMPANY
Inventor: BOURNE GEORGE L
CPC classification number: F23C99/00
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公开(公告)号:US793174A
公开(公告)日:1905-06-27
申请号:US1902131705
申请日:1902-11-17
Applicant: RAILWAY MATERIALS COMPANY
Inventor: BOURNE GEORGE L
CPC classification number: F27B9/36
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