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FRAESVERKTYG Foer FRAMSTAELLNING AV URGROEPNINGAR I BYGGDELAR AV MURVERK, BETONG ELLER ANDRA SPROEDA MATERIAL.
FRAESVERKTYG Foer FRAMSTAELLNING AV URGROEPNINGAR I BYGGDELAR AV MURVERK, BETONG ELLER ANDRA SPROEDA MATERIAL.
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机译:用于制造砌体,混凝土或其他喷涂材料的建筑零件中增长组的铣削工具。
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摘要
The milling tool is used to make under-reamed openings in building components of masonry or other brittle material. It comprises a driven shaft together with an arrised annular cutting head, the latter being mounted free to rotate on a trunnion which is offset from the shaft. The transverse internal section of the milling head's body may exceed the transverse section of the trunnion, the envelope of the latter oversailing the former at one or more locations, and the former comprising an oval, a circular, or a polygonal opening.
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