ROCK BOLT

申请公布号：GB2060109(B)

申请号：GB19800013813

申请日期：1980.04.25

申请公布日期：1983.04.07

申请人：

BERWERKSVERBAND GMBH

分类号：E21D20/02;E21D21/00;(IPC1-7):E21D21/00

主分类号：E21D20/02

DOOR OPENING AND CLOSING MECHANISM

QUINAZOLINONE OXIDES

LOCKABLE SLIDER FOR SLIDE FASTENERS

MANUFACTURE OF HEAT CURING UREA FORMALDEHYDE RESINS

BOLLARD

FILM CARRIER WIRE CONNECTING SYSTEM

PREPARING QUINAZOLINONE OXIDES

CASING TONG

CAPACITOR CORRELATOR MATRIX

ROTARY MAGNETIC SEPARATOR

COOKWARE LUBRICANT COMPOSITION

FITTING

SURFACTANT COMPOSITIONS AND PESTICIDE FORMULATIONS

TRAVELLING SLEEPER-LAYING MACHINE

ANTIBIOTIC BM123 GAMMA

DRAWER MECHANISM

STRUCTURAL PANEL STIFFENING ELEMENT

FLEXIBLE MICROPOROUS RUBBER BASE ARTICLES

SOLAR POWERED ENGINE AND TRACKING SYSTEM

ASBESTOS-CEMENT COMPOSITIONS