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发明名称
Method of making riders
摘要
申请公布号
US2042541(A)
申请公布日期
1936.06.02
申请号
US19340746770
申请日期
1934.10.04
申请人
WHITEHALL PATENTS CORPORATION
发明人
MARINSKY DAVIS
分类号
A44B19/42
主分类号
A44B19/42
代理机构
代理人
主权项
地址
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