U.S. Expected to Hold Off On Sale of Arms to Cairo
US official says on Apr 19 that while US is interested in Egyptian Pres Sadat's stated intention to end Egypt's total reliance on Soviet arms, US has no current plans to begin selling mil equipment to Egypt; State Dept says it is studying Sadat's Apr 18 speech; US officials say privately that Sadat's remarks fortify US view that Egypt is seeking to play more independent role in world affairs and to build closer ties with West to end its dependence on USSR; Nixon gives unusually warm reception to new Egyptian Amb to US Ashraf Ghorbal, who presents his credentials at White House, formalizing restoration of diplomatic relations; Nixon says it is 'tragedy' that relations were not restored earlier; Ghorbal repeats Sadat's invitation to Nixon to visit Egypt (M)