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PCE
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DIFF Subgroup
G08B 9/12

using rotary shaft

Introduced: September 1968

Full Title

Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships > mechanical > using rotary shaft

No child classifications to compare. This is a leaf node in both IPC and CPC.