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发明名称
OBSTETRICAL SHEET
摘要
申请公布号
CA303575(A)
申请公布日期
1930.09.02
申请号
CAD303575
申请日期
申请人
ALICE E. WHEELER
发明人
ALICE E. WHEELER
分类号
主分类号
代理机构
代理人
主权项
地址
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