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发明名称
Improvements relating to the preparation of blocks for hat manufacture
摘要
申请公布号
GB389497(A)
申请公布日期
1933.03.13
申请号
GB19310025611
申请日期
1931.09.12
申请人
VICTOR WALTER WEBB
发明人
分类号
A42C1/02
主分类号
A42C1/02
代理机构
代理人
主权项
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