CONVEYOR GUIDING AND ANCHORING PROPS FOR MINING INSTALLATIONS von LINKE H,DT, BEYER H,DT

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CERAMIC COLOR BODIES von MEYER SIMON E,DT, BEYER H,DT, MANN H,DT, BROLL A,DT

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ZIRCONIUM CERAMIC COLOR BODIES von MEYER SIMON E,DT, BEYER H,DT, MANN H,DT, BROLL A,DT

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METALS HAVING WEAR-RESISTANT SURFACES AND THEIR FABRICATION von HEITZINGER F,OE, SEDLATSCHEK K,OE, BEYER H,DT, BURAN U,DT

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PROCESS FOR THE MANUFACTURE OF PHENYLHYDRAZINE von ALT O,DT, CRAMER J,DT, CLASEN H,DT, ALT H,DT, BEYER NEE ALT G,DT

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FILTER-AND SCREEN CLOTHS MADE FROM COATED POLYESTER MATERIAL von NAGELSMANN H,DT, BEYER G,DT

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DEVICE FOR PURIFYING THE FEED WATER OF A STEAM POWER INSTALLATION von HEITMANN H,DT, DONATH G,DT, BEYER W,DT

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PREVENTING MIGRATION OF PIGMENTS IN DYEING OR PRINTING FIBROUS MATERIALS von BILLE H,DT, KRUEGER R,DT, BARTS G,DT, WULZ K,DT, BEYER K,DT

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BEARINGS FOR BRIDGES AND SIMILAR STRUCTURES von THUL H,DT, LEONHARDT F,DT, BEYER E,DT, ANDRA W,DT, WINTERGERST L,DT

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