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发明名称
Stone distributor
摘要
申请公布号
US1755120(A)
申请公布日期
1930.04.15
申请号
US19280270545
申请日期
1928.04.16
申请人
KERR CORNELIUS W
发明人
KERR CORNELIUS W.
分类号
E01C19/15
主分类号
E01C19/15
代理机构
代理人
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地址
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