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发明名称
Collapsible asphalt machine
摘要
申请公布号
US2136869(A)
申请公布日期
1938.11.15
申请号
US19370170497
申请日期
1937.10.22
申请人
MACKAY SPEARS JOSEPH
发明人
SPEARS JOSEPH MACKAY
分类号
E01C19/10
主分类号
E01C19/10
代理机构
代理人
主权项
地址
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