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公开(公告)号:US1001915A
公开(公告)日:1911-08-29
申请号:US1910549509
申请日:1910-03-15
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: YNGSTROEM LARS
CPC classification number: F27D11/02
公开(公告)号:US1001915A
公开(公告)日:1911-08-29
申请号:US1910549509
申请日:1910-03-15
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: YNGSTROEM LARS
CPC classification number: F27D11/02