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Patent US 3530315A: Difference between revisions
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|Grant date=1970-09-22 | |Grant date=1970-09-22 | ||
|Cites=Patent US 3215948A; Patent US 3339088A; Patent US 3344285A; Patent US 3350576A; Patent US 3358159A | |Cites=Patent US 3215948A; Patent US 3339088A; Patent US 3344285A; Patent US 3350576A; Patent US 3358159A | ||
|Links=3T5 | |||
}} | }} | ||
* [[Media:US3530315.pdf|US3530315.pdf]] | * [[Media:US3530315.pdf|US3530315.pdf]] | ||