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发明名称
Toy building block
摘要
申请公布号
US1971545(A)
申请公布日期
1934.08.28
申请号
US19320593243
申请日期
1932.02.16
申请人
RUBBER SPECIALTIES COMPANY INCORPORATED
发明人
TOMPKINS ERNEST E.
分类号
A63H33/06
主分类号
A63H33/06
代理机构
代理人
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地址
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