Improvements in the manufacture of moulds for rubber teats
By: [Martin Dunphy Armstrong]
Contributors: Dowell, John; Browne, Newnham, agent
Publisher: Printed for His Majesty's Stationery Office by Malcomson & Co., Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1900/20689.