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发明名称
Child's growing record chart
摘要
申请公布号
US2369988(A)
申请公布日期
1945.02.20
申请号
US19430479885
申请日期
1943.03.20
申请人
STECKLER NAT P
发明人
STECKLER NAT P.
分类号
A61B5/107
主分类号
A61B5/107
代理机构
代理人
主权项
地址
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