IL73173A0 - Method and device for speaking under-water
- Google Patents
Method and device for speaking under-water
Info
Publication number
IL73173A0
IL73173A0IL73173AIL7317384AIL73173A0IL 73173 A0IL73173 A0IL 73173A0IL 73173 AIL73173 AIL 73173AIL 7317384 AIL7317384 AIL 7317384AIL 73173 A0IL73173 A0IL 73173A0
Authority
IL
Israel
Prior art keywords
water
speaking under
speaking
under
Prior art date
Application number
IL73173A
Original Assignee
Gad Kalisch
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 Gad KalischfiledCriticalGad Kalisch
Priority to IL73173ApriorityCriticalpatent/IL73173A0/en
Publication of IL73173A0publicationCriticalpatent/IL73173A0/en