73116449
Feb 22, 1977
Sep 11, 1979
FRACTION COLLECTORS AND COMPONENTS THEREOF FOR BIOLOGICAL AND CHEMICAL LABORATORY ANALYSIS AND PROCESSES-NAMELY, TUBE RACKS, ROTATOR, TUBE RACK HOLDER DISC, TURN TABLE DISC, DUST COVER, CONTROLLER, POWER SUPPLY, DISTRIBUTOR, SYPHON STAND, SYPHON HOLDER, SAFETY CATCHER, GUIDE PLATE, HOSE HOLDER, SPIRAL GUIDE, TIMER, AND ADAPTER
Electrical and Scientific Apparatus