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发明名称
Improvements in or relating to cloche extensions
摘要
申请公布号
GB810048(A)
申请公布日期
1959.03.11
申请号
GB19560008237
申请日期
1956.03.16
申请人
JOHN FRANCIS BLYTHER
发明人
分类号
A01G13/04
主分类号
A01G13/04
代理机构
代理人
主权项
地址
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