Improvements in or relating to method and apparatus for making screws and the like

申请公布号：GB614439(A)

申请号：GB19460010885

申请日期：1946.04.09

申请公布日期：1948.12.15

申请人：

THE NATIONAL MACHINERY COMPANY

分类号：B21K1/46

主分类号：B21K1/46

Polymer composite reed valve.

NMOS LDD PMOS HALO IC process for CMOS transistors.

Process for pickling steel materials.

Method of processing silver halide photographic materials.

Magnetic recording medium and a method for its manufacture.

Burn-out device and process for fuels.

Process for brazing hard materials to steels.

Device for locking or fixing an invalid lift.

RAINFALL DETECTION.

Apparatus for estimating real-time motion and a method thereof.

PRODUCTION OF POLYALKANOATE.

A novel exo-type hydrolase and a method of manufacturing inulotriose and/or inulotetrose.

Adducts of ketonic compounds with the anions of oxygenated acids, process for their preparation, their use and azo ketonic compounds.

用于洗涤机中可溶解粒形产品洗涤纤维织物的装置

合金芯线制造方法与设备

纺织品的不规则染色工艺

IC card reader.

Dust-proof film.

A powder feed composition for forming a refractory oxide coating, a process used for producing the coating and the article so produced.

Electric motor, especially humidity-proof closed commutator motor for the drive of an axiel flanged hydraulic pump.