Patents
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F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general
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F16G - Belts, cables, or ropes, predominantly used for driving purposes; Chains; Fittings predominantly used therefor
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F16G 17 - Hooks as integral parts of chains
Patents for F16G 17 - Hooks as integral parts of chains (101)
01/1978
01/31/1978
US4070823
Chain hook
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