发明名称 |
Means for maintaining a painting against shrinkage and warping |
摘要 |
A plurality of turnbuckles are mounted upon a rigid base and affixed to a painting mounted upon a frame. The turnbuckles are disposed at angular intervals with respect to each other and are adjustable to maintain the painting in a predetermined position.
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申请公布号 |
US4006771(A) |
申请公布日期 |
1977.02.08 |
申请号 |
US19760707226 |
申请日期 |
1976.07.21 |
申请人 |
SPURKEL, HERMANN |
发明人 |
SPURKEL, HERMANN |
分类号 |
B44D3/18;B44D7/00;(IPC1-7):E06B9/24 |
主分类号 |
B44D3/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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