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发明名称
Felt hardening machine
摘要
申请公布号
US2479228(A)
申请公布日期
1949.08.16
申请号
US19460696165
申请日期
1946.09.11
申请人
MERRIMAC HAT CORPORATION
发明人
GOODCHILD HARRY M.
分类号
D04H17/00
主分类号
D04H17/00
代理机构
代理人
主权项
地址
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