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公开(公告)号:CA73569A
公开(公告)日:1901-10-29
申请号:CA73569D
申请日:1900-09-14
Applicant: BARTELS FRIEDRICH WILHELM , SCHAEFER WILHELM
Inventor: BARTELS FRIEDRICH WILHELM , SCHAEFER WILHELM
公开(公告)号:CA73569A
公开(公告)日:1901-10-29
申请号:CA73569D
申请日:1900-09-14
Applicant: BARTELS FRIEDRICH WILHELM , SCHAEFER WILHELM
Inventor: BARTELS FRIEDRICH WILHELM , SCHAEFER WILHELM