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发明名称
Fiber-preparing treatment of bast or vegetable fiber plants
摘要
申请公布号
US1807221(A)
申请公布日期
1931.05.26
申请号
US19290380944
申请日期
1929.07.25
申请人
FREDERICK MCCAW
发明人
MCCAW FREDERICK
分类号
D01B1/22
主分类号
D01B1/22
代理机构
代理人
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地址
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