B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
B23D49/04—Hacksaw machines with straight saw blades secured to a pivotally-arranged frame
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Surface Acoustic Wave Elements And Circuit Networks Thereof
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