US PATENT SUBCLASS 242 / FOR 144
.~ Doubling machine (242/42)


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242 /   HD   WINDING, TENSIONING, OR GUIDING

FOR 102  DF  BOBBIN OR COP WINDING (242/18 R) {24}
FOR 144.~ Doubling machine (242/42)


DEFINITION

Classification: 242/FOR.144

Foreign Art Collections for devices for winding a plurality of threads upon a single bobbin without the twisting characteristic of spinning machines.