F16B 21/20

Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it ; Stud-and-socket releasable fastenings by separate parts for bolts or shafts without holes, grooves, or notches for locking members

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data.epo.org/linked-data/def/cpc/F16B21-20

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Patent classification

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F16B 21/205

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Cooperative Patent Classification

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F16B 21/10

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