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发明名称
Improvements in sand spreading mechanisms
摘要
申请公布号
GB889606(A)
申请公布日期
1962.02.21
申请号
GB19590038962
申请日期
1959.11.17
申请人
ANTHONY JOSEPH TORREY
发明人
分类号
E01C19/20
主分类号
E01C19/20
代理机构
代理人
主权项
地址
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