发明名称 |
Tree support |
摘要 |
|
申请公布号 |
US2609169(A) |
申请公布日期 |
1952.09.02 |
申请号 |
US19470793417 |
申请日期 |
1947.12.23 |
申请人 |
ELLWYN KROEGER |
发明人 |
KROEGER ELLWYN |
分类号 |
A47G33/12 |
主分类号 |
A47G33/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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