一种青贮池排液系统 (2019)
Keywords: APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS; BEER; BIOCHEMISTRY; CHEMISTRY; ENZYMOLOGY; FOODS OR FOODSTUFFS; HUMAN NECESSITIES; MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLESOR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; PEELING VEGETABLES OR FRUIT IN BULK; SPIRITS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES; VINEGAR; WINE