Manufacturing method of inlet pipe for grouting packer

The present invention relates to a method of manufacturing an inlet pipe for a grouting packer. The present invention can simply and repeatedly manufacture inlet pipes for grouting packers made of steel with reinforced strength compared to zinc-based products while having significantly lower price t...

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Bibliographische Detailangaben
1. Verfasser:	NAM, JAE HO
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE COMBINED OPERATIONS FIXED CONSTRUCTIONS FORGE FURNACES FORGING FORMS HAMMERING HANDLING BUILDING MATERIALS ON THE SITE MACHINE TOOLS MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS RIVETING SCAFFOLDING SHUTTERING THREAD CUTTING TRANSPORTING UNIVERSAL MACHINE TOOLS WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTIONTHEREWITH
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