Improvements in and relating to the preparation of natural mineral salts for medicinal purposes
By: [Erich Langheld]
Contributors: Edward Evans & Co
Publisher: Printed for His Majesty's Stationery Office by Love & Malcomson, Ltd
Place of publication: Redhill
Language: eng
Notes: Patent specification.

Contains both the provisional and the complete specification.

Patent reference : 1903/3189.