DK35865C -
Procedure for the manufacture of Portland cement from deposits occurring in nature, consisting of a mixture of finely divided clay and shells.
- Google Patents
Procedure for the manufacture of Portland cement from deposits occurring in nature, consisting of a mixture of finely divided clay and shells.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Louis Emilio Woodbridge PiodafiledCriticalLouis Emilio Woodbridge Pioda
Application grantedgrantedCritical
Publication of DK35865CpublicationCriticalpatent/DK35865C/en
DK35865D1923-05-041924-05-03
Procedure for the manufacture of Portland cement from deposits occurring in nature, consisting of a mixture of finely divided clay and shells.
DK35865C
(en)