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发明名称
Writing device
摘要
申请公布号
US2317159(A)
申请公布日期
1943.04.20
申请号
US19410414865
申请日期
1941.10.13
申请人
RHODE ISLAND LABORATORIES, INC.
发明人
WEIL MAURICE A.
分类号
C09D13/00
主分类号
C09D13/00
代理机构
代理人
主权项
地址
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