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Individual
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Individual
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Priority to ES153812ApriorityCriticalpatent/ES153812A1/en
Publication of ES153812A1publicationCriticalpatent/ES153812A1/en
ES153812A1941-07-221941-07-22
PROCEDURE FOR THE FORGING OF FLOORS THROUGH THE USE OF INSULATING AND INSULATING LIGHTING BOVEDILLAS OF SPECIAL WINDOWS
ExpiredES153812A1
(en)
PROCEDURE FOR THE OBTAINING OF 2-METHYL-2, 3-DIHALOGEN-TETRAHYDROFURANS AND COMBINATIONS THEREOF FOR THE PREPARATION OF VITAMIN B1 AND OTHER COMBINATIONS OF ANALOGUE STRUCTURE