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摘要
申请公布号
US2392615(A)
申请公布日期
1946.01.08
申请号
US19440538943
申请日期
1944.06.06
申请人
PRICE LLEWELLYN R
发明人
PRICE LLEWELLYN R.
分类号
B43L13/20
主分类号
B43L13/20
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