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发明名称
Supporting and driving means for gyratory shafts
摘要
申请公布号
US1767053(A)
申请公布日期
1930.06.24
申请号
US19240709480
申请日期
1924.04.28
申请人
CURTIS ARTHUR R
发明人
CURTIS ARTHUR R.
分类号
B04B9/12
主分类号
B04B9/12
代理机构
代理人
主权项
地址
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