Apparatus for manufacturing plastic bags with connection nipples

Apparatus for manufacturing spiral tubes

Apparatus for plasma assisted etching

Apparatus for processing semiconductor wafers

Apparatus for processing semiconductor wafers

Apparatus for producing fiber cans

Apparatus for producing paper cylinders for nursing seedlings

Apparatus for stacking bags

Apparatus for thermally machining thermoplastics sheet

Apparatus for transversely sealing a wrapping tube

Apparatus for vapor-phase synthesis of diamond and method for va

Apparatus including an integral optical device

Aqueous lubricant and surface conditioner for formed metal surfa

Aqueous process for etching cooper and other metals

Arc-melting preparation of single crystal LaB.sub.6 cathodes

Arrangement for coupling an optical fiber to a coupling window o

Arsenic cell stabilization valve for gallium arsenide in-situ co

Arsenic passivation for epitaxial deposition of ternary chalcoge

Article die forming method

Article identification method