Patent GB-1909-23489
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Year filed | 1909 |
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Office | GB |
Patent number | 23489 |
Inventors | POWELL CLARENCE HENRY |
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Original title | 20. Sheet Metal Clips for Rigidly Joining Light Framework |
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Filing date | 1909-10-14 |
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IPCs | F16B7/04 |
CPCs | F16B7/0493 |
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