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发明名称
Doll
摘要
申请公布号
US1916811(A)
申请公布日期
1933.07.04
申请号
US19310580513
申请日期
1931.12.12
申请人
SCHWARTZ FRANK M
发明人
SCHWARTZ FRANK M.
分类号
A63H3/02
主分类号
A63H3/02
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代理人
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