发明名称 |
Measuring apparatus |
摘要 |
|
申请公布号 |
US1902112(A) |
申请公布日期 |
1933.03.21 |
申请号 |
US19310580580 |
申请日期 |
1931.12.12 |
申请人 |
YOUNG ARCHER E |
发明人 |
YOUNG ARCHER E. |
分类号 |
G01F15/07 |
主分类号 |
G01F15/07 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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